[ADD] estate: add real estate module

.vscode/settings.json

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+{
+    "python.analysis.typeCheckingMode": "standard",
+    "python.languageServer": "None"
+}

estate/__init__.py

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+from . import models
+from . import wizard
+from . import controllers

estate/__manifest__.py

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+{
+    "name": "Estate",
+    "summary": """
+        Starting module for "Master the Odoo web framework, chapter 1: Build a Clicker game"
+    """,
+    "description": """
+        Starting module for "Master the Odoo web framework, chapter 1: Build a Clicker game"
+    """,
+    "author": "Odoo",
+    "website": "https://www.odoo.com",
+    "category": "Real Estate/Brokerage",
+    "version": "0.1",
+    "application": True,
+    "installable": True,
+    "depends": ["base_setup", "website"],
+    "data": [
+        "security/estate_security.xml",
+        "security/ir.model.access.csv",
+        "report/estate_property_templates.xml",
+        "report/estate_property_report.xml",
+        "views/estate_property_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tags_views.xml",
+        "views/res_users_views.xml",
+        "views/estate_menu_views.xml",
+        "views/estate_website_template.xml",
+        "data/estate.property.type.csv",
+        "wizard/estate_property_wizard_view.xml",
+    ],
+    "demo": ["demo/estate_property_demo.xml", "demo/estate_property_offers.xml"],
+    "license": "AGPL-3",
+}

estate/controllers/__init__.py

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+from . import estate_website

estate/controllers/estate_website.py

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+from odoo import http
+from odoo.http import request
+
+
+class EstateWebsite(http.Controller):
+    @http.route(
+        ["/properties", "/properties/page/<int:page>"],
+        type="http",
+        auth="user",
+        website=True,
+    )
+    def list_properties(self, page=1, **kwargs):
+        step = 6
+        offset = (page - 1) * step
+
+        #! Fetch only the properties for the current page
+        properties = (
+            request.env["estate.property"]
+            .sudo()
+            .search(
+                [
+                    "&",
+                    ("status", "in", ["new", "offer_received", "offer_accepted"]),
+                    ("active", "=", True),
+                ],
+                limit=step,
+                offset=offset,
+            )
+        )
+
+        total_properties = request.env["estate.property"].sudo().search_count(
+            [
+                "&",
+                ("status", "in", ["new", "offer_received", "offer_accepted"]),
+                ("active", "=", True),
+            ]
+        )
+
+        pager = request.website.pager(
+            url="/properties", total=total_properties, step=step, page=page
+        )
+
+        # Render the template with paginated properties and the pager
+        return request.render(
+            "estate.listing_page",
+            {"properties": properties, "pager": pager},
+        )
+
+    @http.route(
+        "/property/<model('estate.property'):property>",
+        type="http",
+        auth="user",
+        website=True,
+    )
+    def property_detail(self, property, **kwargs):
+        return request.render("estate.property_detail_page", {"property": property})

estate/data/estate.property.type.csv

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+id,name
+property_1,Residential
+property_2,Commercial
+property_3,Industrial
+property_4,Land

estate/demo/estate_property_demo.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Record 1: Big Villa -->
+    <record id="estate_property_big_villa" model="estate.property">
+        <field name="name">Big Villa</field>
+        <field name="status">new</field>
+        <field name="description">A nice and big villa</field>
+        <field name="postcode">12345</field>
+        <field name="date_availability">2020-02-02</field>
+        <field name="expected_price">160000.00</field>
+        <field name="bedrooms">6</field>
+        <field name="living_area">100</field>
+        <field name="facades">4</field>
+        <field name="garage">True</field>
+        <field name="garden">True</field>
+        <field name="garden_area">100000</field>
+        <field name="garden_orientation">south</field>
+        <field name="property_type_id" ref="estate.property_1"/>
+        <field name="image" type="base64" file="estate/static/demo_images/1.jpg"></field>
+    </record>
+
+    <!-- Record 2: Trailer Home -->
+    <record id="estate_property_trailer_home" model="estate.property">
+        <field name="name">Trailer home</field>
+        <field name="status">canceled</field>
+        <field name="description">Home in a trailer park</field>
+        <field name="postcode">54321</field>
+        <field name="date_availability">1970-01-01</field>
+        <field name="expected_price">100000.00</field>
+        <field name="selling_price">120000.00</field>
+        <field name="bedrooms">1</field>
+        <field name="living_area">10</field>
+        <field name="facades">4</field>
+        <field name="garage">False</field>
+        <field name="property_type_id" ref="estate.property_1"/>
+        <field name="image" type="base64" file="estate/static/demo_images/2.jpg"></field>
+    </record>
+
+    <!-- record 3: Duplex with offers made directly here -->
+    <record id="estate_property_duplex" model="estate.property">
+        <field name="name">Duplex</field>
+        <field name="status">new</field>
+        <field name="description">A nice duplex</field>
+        <field name="postcode">12345</field>
+        <field name="date_availability">2020-02-02</field>
+        <field name="expected_price">160000.00</field>
+        <field name="selling_price">160000.00</field>
+        <field name="bedrooms">6</field>
+        <field name="living_area">100</field>
+        <field name="facades">4</field>
+        <field name="garage">True</field>
+        <field name="property_type_id" ref="estate.property_1"/>
+        <field name="image" type="base64" file="estate/static/demo_images/3.jpg"></field>
+        <field name="offer_ids" eval="[
+        Command.create({'partner_id':ref('base.res_partner_12'),'price': 150000.00}),
+        Command.create({'partner_id':ref('base.res_partner_18'),'price':155000.00}),
+        Command.create({'partner_id':ref('base.res_partner_10'),'price':160000.00})]"/>
+    </record>
+
+    <record id="menu_properties" model="website.menu">
+        <field name="name">Properties</field>
+        <field name="url">/properties</field>
+        <field name="parent_id" ref="website.main_menu"/>
+        <field name="sequence" type="int">60</field>
+    </record>
+</odoo>

estate/demo/estate_property_offers.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="big_villa_offer_2" model="estate.property.offer">
+        <field name="partner_id" ref="base.res_partner_12"/>
+        <field name="property_id" ref="estate.estate_property_big_villa" />
+        <field name="price">150000.00</field>
+        <field name="validity">14</field>
+    </record>
+
+    <record id="big_villa_offer_3" model="estate.property.offer">
+        <field name="partner_id" ref="base.res_partner_2"/>
+        <field name="property_id" ref="estate.estate_property_big_villa" />
+        <field name="price">150001.00</field>
+        <field name="validity">14</field>
+    </record>
+
+    <record id="big_villa_offer_1" model="estate.property.offer">
+        <field name="partner_id" ref="base.res_partner_12"/>
+        <field name="property_id" ref="estate.estate_property_big_villa" />
+        <field name="price">160000.00</field>
+        <field name="validity">14</field>
+        <field name="date_deadline" eval="(datetime.today() + relativedelta(months=3)).date()" />
+    </record>
+
+    <function model="estate.property.offer" name="action_refuse" eval="[[ref('big_villa_offer_2'), ref('big_villa_offer_3')]]">
+    </function>
+
+    <function model="estate.property.offer" name="action_accept" eval="[ref('big_villa_offer_1')]">
+    </function>
+
+
+</odoo>

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tags
+from . import estate_property_offer
+from . import inherited_users

estate/models/estate_property.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError
+from datetime import datetime
+from dateutil.relativedelta import relativedelta
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text("description")
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=(datetime.today() + relativedelta(months=3)).date()
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    bedrooms = fields.Integer()
+
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[
+            ("north", "NORTH"),
+            ("south", "SOUTH"),
+            ("east", "EAST"),
+            ("west", "WEST"),
+        ],
+    )
+    sequence = fields.Integer("Sequence", default=1)
+    active = fields.Boolean(default=True)
+    property_type_id = fields.Many2one("estate.property.type", ondelete="cascade")
+    salesman_id = fields.Many2one(
+        "res.users", ondelete="restrict", default=lambda self: self.env.user
+    )
+    buyer_id = fields.Many2one("res.partner", ondelete="restrict", copy=False)
+    tag_ids = fields.Many2many("estate.property.tags")
+    offer_ids = fields.One2many(
+        comodel_name="estate.property.offer", inverse_name="property_id"
+    )
+    total_area = fields.Integer(compute="_compute_total_area")
+    best_offer = fields.Float(compute="_compute_best_offer")
+    status = fields.Selection(
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer received"),
+            ("offer_accepted", "Offer accepted"),
+            ("sold", "Sold"),
+            ("canceled", "Canceled"),
+        ],
+        default="new",
+        copy=False,
+    )
+    company_id = fields.Many2one(
+        "res.company", default=lambda self: self.env.company, required=True
+    )
+    image = fields.Image("Image")
+    _sql_constraints = [
+        (
+            "check_expected_price",
+            "CHECK(expected_price > 0)",
+            "Expected price must be strictly positive",
+        ),
+        (
+            "check_selling_price",
+            "CHECK(selling_price >= 0)",
+            "Selling price must be non-negative",
+        ),
+    ]
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_state_new_canceled(self):
+        for record in self:
+            if (
+                record.status == "offer_received"
+                or record.status == "offer_accepted"
+                or record.status == "sold"
+            ):
+                raise UserError("Only new and canceled properties can be deleted")
+
+    @api.depends("offer_ids.price")
+    def _compute_best_offer(self):
+        for record in self:
+            if not record.offer_ids:
+                record.best_offer = 0
+                continue
+            record.best_offer = max(record.offer_ids.mapped("price"))
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    def action_sold(self):
+        for record in self:
+            if (
+                record.status == "new"
+                or record.status == "offer_accepted"
+                or record.status == "offer_received"
+            ):
+                record.status = "sold"
+            elif record.status == "canceled":
+                raise UserError("Canceled property can't be sold")
+            else:
+                raise UserError("Property already sold")
+
+    def action_cancel(self):
+        for record in self:
+            if (
+                record.status == "new"
+                or record.status == "offer_accepted"
+                or record.status == "offer_received"
+            ):
+                record.status = "canceled"
+            elif record.status == "sold":
+                raise UserError("Sold property can't be canceled")
+            else:
+                raise UserError("Property already canceled")
+
+    def action_make_offer(self):
+        return {
+            "name": "Make offer",
+            "type": "ir.actions.act_window",
+            "target": "new",
+            "view_mode": "form",
+            "res_model": "estate.property.make.offer",
+            "context": {
+                "default_property_ids": self.ids,
+            },
+        }